19848640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8861}}^1$

素因数の和:8885

約数の個数: 56

約数和(自身を含む): 54022752

約数和(自身を除く): 34174112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8861, 17722, 35444, 44305, 62027, 70888, 88610, 124054, 141776, 177220, 248108, 283552, 310135, 354440, 496216, 567104, 620270, 708880, 992432, 1240540, 1417760, 1984864, 2481080, 2835520, 3969728, 4962160, 9924320, 19848640]

約数ペア:

[(1, 19848640), (2, 9924320), (4, 4962160), (5, 3969728), (7, 2835520), (8, 2481080), (10, 1984864), (14, 1417760), (16, 1240540), (20, 992432), (28, 708880), (32, 620270), (35, 567104), (40, 496216), (56, 354440), (64, 310135), (70, 283552), (80, 248108), (112, 177220), (140, 141776), (160, 124054), (224, 88610), (280, 70888), (320, 62027), (448, 44305), (560, 35444), (1120, 17722), (2240, 8861)]